Wilhelm loeenz



LIA

UNITED STATES PATENT OFFICE,

\VILHELM LORENZ, OF OARLSRUHE, GERMANY.

MANUFACTURE OF COMPOUND PROJECTILES.

SPECIFICATION forming part of Letters Patent No, 335.464, dated February 2, 1886.

Application filed August 13,1885.

Serial No. 174,350. (No specimens) Patented in Germany May 13, 1884, No. 31,145; in France May 28, 1884, No. 162,420; in Belgium June 23, 1884, No. 65,556; in England June 30, 1884, No. 0,577; in Italy June 30, 1884, No. 17,059; in Sweden August 30, 1884; in Austria-Hungary October 3, 1884, No. 21,803 and No. 45,085; in Norway October 10, 1e84,

and in Spain October 27, 1884, No. 0,325.

To all whom it may concern.-

Be it known that 1, WILHELM LORENZ, of Carlsruhe, in the Grand Duchy of Baden, and Empire of Germany, have invented certain new and useful Improvements in the Manufacture of Compound Projectiles, (for which Letters Patent have heretofore been granted to me in the following countries: Germany, dated May 13, 1884, No. 31,145; France, dated May 28, 1884, No. 162,420; Belgium, dated June 23, 1884, No. 65,556; Great Britain, dated June 30, 1884, No. 9,577; Italy, dated June 30, 188i, No. 17,059; Austria, dated October 3, 1884, No. 21,863; Hungary, dated October 3, 1881, No. 45,085; Spain and its Colonies, dated October 27, 1882, No. 6,325; Norway, dated October 10, 188%, without number, and Sweden, dated August 30, 1884, without number,) of which the following is a specification.

This invention relates to the manufacture of compound projectiles; and it consists of a method of making compound projectiles by uniting the cores and shells by melting them together.

It consists, secondly, in tinning or otherwise coating the inner surface of the shells and uniting the cores and shells by melting them together.

In carrying out my invention the shells of my compound projectiles are made of steel, copper, brass, or other metal or alloy of metal possessing a high degree of hardness and due tility. The shells are united with the cores heat.

on the outer and inner surface by means of acid and then coated with a surface of tin or other metal by any approved method. For the cores or bullets, metals of high specific gravity-such as lead and alloys of lead-are used. The bullets may be-cast separately and inserted into the shells, after which the temperature of both parts is raised to the fusingpoint of the metal used for the cores, whereby the cores and shells are melted together; or the cores are inserted into the shells after the latter have been raised to a temperature at least equal to the temperature required for fusing the cores, after which the latter are united with the shells at the moment of insertion; or the metal forming the cores may also be poured in molten state into the shells, whereby the desired union between the cores and shells is directly obtained.

Having thus described my invention, I claim as new and desire to secure by Letters Patent- 1. The method herein described of making compound projectiles, which consists in uniting the cores and shells by melting them together, substantially as set forth.

2. The method herein described of making compound projectiles, which consists in tinning the inner surface of the shells and then uniting the cores with the shells by melting them together, substantially as set forth.

In testimony that I claim the foregoing as my invention I have signed my name in presence of two subscribing witnesses.

\VILHELM LORENZ.

\Vitnesses:

FRIEDRICH LORCH, ADOLF LEHNE. 

